&&,&,,&,&,                                          &&,&&,&&,&
,,&&&,&&&&                                          ,,&&,&&,&&
&,&,,&&,,,                                          &,&,&&,&&,
&&&&,&,&,,                                          ,&&&&,&&,&
,,,,&&&&&,                                          &&,,,&&,&&
&,,,&,,,,&                  RAILS                   &,&,,&,&&,
&&,,&&,,,&                                          ,&&&,&&&,&
,,&,&,&,,&                                          &&,,&&,,&&
&,&&&&&&,& &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& &,&,&,&,&,
&&&,,,,,&&                                          ,&&&&&&&&&
,,,&,,,,&, &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&& ,&,,,,,,,,
,,,&&,,,&&                                          ,&&,,,,,,,
,,,&,&,,&,                                          &&,&,,,,,,
,,,&&&&,&& TRAINS  ARE  SO  CONSTRUCTED  THAT  THEY ,,&&&,,,,,
,,,&,,,&&, HAVE TO FOLLOW A SET PATH. THIS  PATH IS &,&,,&,,,,
,,,&&,,&,& CALLED  A "RAILWAY",  WHICH IS COMPRISED ,&&&,&&,,,
,,,&,&,&&& OF TWO METAL RAILS,  HENCE ITS NICKNAME. ,&,,&&,&,,
,,,&&&&&,,                                          ,&&,&,&&&,
,,,&,,,,&, BECAUSE  THE LOW  FRICTION  BETWEEN  THE ,&,&&&&,,&
&,,&&,,,&& WHEELS OF  THE TRAIN AND THE RAIL METAL, &&&&,,,&,&
,&,&,&,,&, THERE  ARE LIMITS  FOR HOW ACUTE A CURVE &,,,&,,&&&
&&&&&&&,&& CAN  BE, AND EVEN MORE SO FOR  HOW  MUCH &&,,&&,&,,
&,,,,,,&&, THE   GROUND  UNDER  THE  RAILS  CAN  BE ,,&,&,&&&,
&&,,,,,&,& SLOPED. THUS A RAILWAY IS  OFTEN NOT LED &,&&&&&,,&
,,&,,,,&&& ON  TOP OF HILLS, RATHER THROUGH THEM IN &&&,,,,&,&
&,&&,,,&,, TUNNELS   (IF   THEY  ARE   LARGE),   OR ,,,&,,,&&&
,&&,&,,&&,            ARTIFICIAL CHASMS.            &,,&&,,&,,
,&,&&&,&,&                                          &&,&,&,&&,
,&&&,,&&&& THERE  WILL  BE TREES ON THE SIDE OF THE ,,&&&&&&,&
&&,,&,&,,, RAILS, BUT NOT  TOO CLOSE, OR  THEY WILL &,&,,,,,&&
,,&,&&&&,, BE  CUT DOWN  BY  THE RAILWAY  JANITORS. ,&&&,,,,&,
,,&&&,,,&, THERE  WILL  BE  PLAINS,  AND  BODIES OF &&,,&,,,&&
&,&,,&,,&&                  WATER.                  &,&,&&,,&,
&&&&,&&,&,                                          ,&&&&,&,&&
,,,,&&,&&& TRAINS GO  BY DAY  AND BY  NIGHT.  ALONG &&,,,&&&&,
,,,,&,&&,,      THE WAY, THERE IS INFORMATION       ,,&,,&,,,&
&,,,&&&,&, SCATTERED, OFTEN PUT ON  TOP  OF  POLES, &,&&,&&,,&
,&,,&,,&&& TO BE INTERPRETED BY THE  TRAIN DRIVERS. ,&&,&&,&,&
&&&,&&,&,, DIFFERENT  PARTS  OF  THE  RAILWAY  HAVE ,&,&&,&&&&
,,,&&,&&&,         DIFFERENT SPEED LIMITS.          &&&&,&&,,,
,,,&,&&,,&                                          ,,,,&&,&,,
,,,&&&,&,& SOMETIMES, TRAINS  HAVE TO STOP AND WAIT &,,,&,&&&,
,,,&,,&&&& FOR SOMETHING TO HAPPEN,  FAR AWAY. THIS ,&,,&&&,,&
&,,&&,&,,, IS  SIGNALED  BY RED  OR  GREEN  LIGHTS. ,&&,&,,&,&
,&,&,&&&,,                                          &&,&&&,&&&
&&&&&&,,&,                 &&&&&&&&                 &,&&,,&&,,
&,,,,,&,&&                                          &&&,&,&,&,
&&,,,,&&&, MANY PEOPLE FOLLOW  THE RAILS  BY  FOOT. ,,,&&&&&&&
,,&,,,&,,& OFTEN  THIS  PROVES  TO  BE THE  SHORTER ,,,&,,,,,,
,,&&,,&&,& PATH BETWEEN  TWO POINTS.  HOWEVER  THIS &,,&&,,,,,
,,&,&,&,&& IS  FROWNED  UPON,  AND  VERY   IMPOLITE ,&,&,&,,,,
,,&&&&&&&,         TOWARD THE TRAIN DRIVERS!        &&&&&&&,,,
,,&,,,,,,&                                          ,,,,,,,&,,
,,&&,,,,,&                                          &,,,,,,&&,
,,&,&,,,,&                                          &&,,,,,&,&
&,&&&&,,,&                                          ,,&,,,,&&&
,&&,,,&,,&                                          &,&&,,,&,,
,&,&,,&&,&                                          &&&,&,,&&,